Solve. Clear fractions first.x – x = 3

Solve using the addition principle. Graph and write set-builder notation for the answer.-4n – 6 > -5n – 4

Solve.The price of a shirt was reduced from $33.10 to $21.51 . What was the percent of decrease in the price?

Add. -27 + 0

Solve the problem.The appliance store where the Scott family shops offers a 9% discount for paying cash. The Scott family received a discount of $32. What was their total bill before the discount?

Solve using the multiplication principle.-5a < -20

Solve using the addition principle. Graph and write set-builder notation for the answer.10n – 9 > 9n – 21

Solve using the addition principle and/or the multiplication principle.30 = 9x – 6

Solve the problem.The sales tax rate in one state is 6.5%. How much tax will be charged on a purchase of 4 chairs at $59 apiece? Round your answer to the nearest cent.

Find the LCM of the expressions.4×3, 2×2